本文整理汇总了C++中table::Ptr::saveToAnswer方法的典型用法代码示例。如果您正苦于以下问题：C++ Ptr::saveToAnswer方法的具体用法？C++ Ptr::saveToAnswer怎么用？C++ Ptr::saveToAnswer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类table::Ptr的用法示例。
在下文中一共展示了Ptr::saveToAnswer方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: processSQL
void Session::processSQL(std::string& sqlQuery)
{
std::ostringstream oss;
if (this->m_current_db_cfg)
{
boost::posix_time::ptime begin(boost::posix_time::microsec_clock::local_time());
try
{
tnode *pNode = NULL;
int nRet;
//
// Prepare
TProjectSettings settings(*m_current_db_cfg->settings);
std::string displayFile;
//
// generate ident and ini file
std::string queryIdentStr = "";
boost::uuids::uuid queryIdent = boost::uuids::random_generator()();
std::ostringstream queryIdentOSS;
queryIdentOSS << queryIdent;
queryIdentStr = queryIdentOSS.str();
settings.changeIdent(queryIdentOSS.str());
//
// create directories
std::list<fs::path> lpaths;
lpaths.push_back(fs::path(settings.szRootPath + "/calculus/" + queryIdentOSS.str()));
lpaths.push_back(fs::path(settings.szTempPath1));
lpaths.push_back(fs::path(settings.szTempPath2));
for (std::list<fs::path>::const_iterator dir = lpaths.begin(); dir != lpaths.end(); ++dir)
{
std::ostringstream ossDirName;
ossDirName << *dir;
aq::Logger::getInstance().log(AQ_DEBUG, "create directory '%s'\n", ossDirName.str().c_str());
if (fs::exists(*dir))
{
aq::Logger::getInstance().log(AQ_ERROR, "directory already exist '%s'\n", ossDirName.str().c_str());
return;
}
if (!fs::create_directory(*dir))
{
aq::Logger::getInstance().log(AQ_ERROR, "cannot create directory '%s'\n", ossDirName.str().c_str());
return;
}
aq::Logger::getInstance().log(AQ_DEBUG, "directory '%s' created\n", ossDirName.str().c_str());
}
//
// write ini file (it is needed for now by AQEngine)
std::ofstream iniFile(settings.iniFile.c_str());
settings.writeAQEngineIni(iniFile);
iniFile.close();
// generate answer file
displayFile = settings.szRootPath + "/calculus/" + queryIdentStr + "/display.txt"; // TODO
aq::Logger::getInstance().log(AQ_INFO, "save answer to %s\n", displayFile.c_str());
//
// Parse SQL request
aq::Logger::getInstance().log(AQ_INFO, "parse sql request %s\n", sqlQuery.c_str());
if ((nRet = SQLParse(sqlQuery.c_str(), &pNode)) != 0 )
{
oss << "error parsing sql query '" << sqlQuery << "'" << std::endl;
aq::Logger::getInstance().log(AQ_ERROR, oss.str().c_str());
throw generic_error(generic_error::INVALID_QUERY, oss.str());
}
//
// Transform SQL request in prefix form
unsigned int id = 1;
QueryResolver queryResolver(pNode, &settings, this->m_current_db_cfg->m_aq_engine, *this->m_current_db_cfg->baseDesc.get(), id);
aq::Logger::getInstance().log(AQ_INFO, "execute query %s\n", sqlQuery.c_str());
queryResolver.solve();
//
// Generate result file
Table::Ptr result = queryResolver.getResult();
if (result)
{
aq::Timer timer;
result->saveToAnswer(settings.szAnswerFN, settings.fieldSeparator);
aq::Logger::getInstance().log(AQ_INFO, "Save Answer: Time Elapsed = %s\n", aq::Timer::getString(timer.getTimeElapsed()).c_str());
std::ofstream fresult(settings.szAnswerFN, std::ios::app);
fresult << "EOS";
fresult.close();
}
//
// read result file and deliver on the socket
aq::Logger::getInstance().log(AQ_DEBUG, "read answer file %s\n", settings.szAnswerFN);
std::ifstream answerFile(settings.szAnswerFN);
//.........这里部分代码省略.........